Unreal Engine Issues
Unreal Engine Issues
MS_VertexAnimationTools_MorphTargets are not deforming and reforming
UE - Graphics Features - Sep 20, 2017The Material should be contracting and expanding if it is working correctly, but after version 4.16 it is not. Instead it is solid in appearance in the material editor viewport. Below I have linked ...
[MetaSounds] The Members' detail panel does not accurately update after making an edit and selecting a different member
UE - Audio - MetaSounds - Jun 26, 2023Note: This issue also affects MetaSound Patches and any Members Menu List Repro Rate: 5/5 Regression marked as No: issue was seen in 5.2 and 5.1 UE5+Release-5.2-CL-26001984 UE5+Release-5.1-CL- ...
Combined Translate and Rotate Mode broken when using Local Space
UE - Editor - Workflow Systems - Dec 22, 2023From UDN: When using the Combined Translate and Rotate Mode we run into an issue where the rotation arrow moves twice as fast as the coordinate frame. The object itself rotates correctly, but if we ...
RadialForceComponent ignores collision of Object Type set in Collision Presets if component is initialized in C++
UE - Gameplay - Jul 28, 2016When a RadialForceComponent is attached to a object in C++, it doesn't take on the "Object Types to Affect" in the component settings of the Blueprint. If the RadialForceComponent is created as a co ...
COM Media Type error in video writer on 8K videos
TM - Rendering - Dec 12, 2024360 videos set to 8K resolution will fail to render in Twinmotion 2024.1.2 and newer Render attempts will end abruptly shortly after being initiated with the following error message ion the logs L ...
Vulkan leaks memory when opening and closing windows
UE - Rendering Architecture - RHI - Nov 22, 2019As described here: https://udn.unrealengine.com/questions/532725/index.html (1) Start Prebuilt Vanilla 4.23.1. with Vulkan enabled (2) Create a new project (3) Drag and drop the Sphere from “modes ...
[CrashReport] Ongoing CollectGarbageInternal() assertion in 4.17
Tools - Aug 22, 2017This callstack is occurring in 4.17.0 and 4.17.1, and appears to be a continuation of [Link Removed], which was fixed in 4.16.2 with CL 3502786. I'm not re-opening [Link Removed] because there are ...
Ensure when adding more than one camera to world in VR mode
UE - Editor - Workflow Systems - Jun 13, 2017Ensure condition failed: Lhs.CurrentNum == Lhs.InitialNum [Link Removed] [Line: 197] Array has changed during ranged-for iteration! Ensure occurs after dragging in multiple cameras into the world i ...
HLOD build fails depending on the value of Loading Range in the World Settings
UE - World Creation - Worldbuilding Tools - HLOD - Jun 14, 2022HLOD actors are generated on the outliner, but no geometry is generated. An error occurs in the output log. ...
Using GENERATED_BODY() instead of GENERATED_UINTERFACE_BODY() in an Interface code class results in a UHT crash when trying to build the project.
UE - Foundation - Core - Mar 3, 2015Replacing GENERATED_UINTERFACE_BODY() with GENERATED_BODY() in 4.7.0 or above results in an Unreal Header Tool crash and build failure in Visual Studio. This was working in 4.6.1, but when tested i ...